Akai LCT3785TAJ Service Manual page 39

PCB funtion
1. Power :
(1). Input voltage: AC 120V, 60Hz.
(2). To provide power for PCBs.
2. Main board : To converter TV signals, S signals, AV signals, Y Pb/Cb Pr/Cr signals, DVI/HDMI signals and
D-SUB signals to digital ones and to transmit to Control board.
3. Control board : Dealing with the digital signal for output to panel.
4. Extension board : Output addressing signals.
5. ATV Tuner Board : To convert TV RF signal to video and SIF audio signal to Main board.
6. ATSC Board : Receiver and converter ATSC TV signal to transmit to main board.
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